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Finding the Third Proportional to 264.25 and 557

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Solution

The third proportional to 264.25 and 557 is: 1,174.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.25 : 557 = 557 : x
  2. Step 2: Convert to fraction form
    264.25/557 = 557/x
  3. Step 3: Cross multiply
    264.25x = 557 × 557
  4. Step 4: Simplify right side
    264.25x = 310,249
  5. Step 5: Solve for x
    x = 310,249/264.25
  6. Step 6: Final answer
    x = 1,174.07

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.